Newly inserted or copied Odoo graphs in spreadsheets are now selected right away, making it clearer which chart the user is editing. This improves the spreadsheet experience by reducing extra clicks and aligning chart behavior with user expectations.

Adapt changes from o_spreadsheet of the opening of the chart side panel in the Odoo tests.

Odoo task [2982377](https://www.odoo.com/web#id=2982377&cids=1&menu_id=4720&action=333&active_id=2328&model=project.task&view_type=form)

The spreadsheet editing feature was adjusted to work with an updated internal error-handling process. This helps keep spreadsheet interactions reliable and aligned with the latest platform behavior, with no expected change to day-to-day usage.

Odoo task [3090717](https://www.odoo.com/web#id=3090717&menu_id=4720&cids=1&action=333&active_id=2328&model=project.task&view_type=form)